document.write( "Question 107590: Factor each of the following polynomials completely:
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document.write( "-3s^2 - 10s + 8
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document.write( "I do not even know where to start because I do not understnd the text book. \n" );
document.write( "
Algebra.Com's Answer #78357 by checkley71(8403) ![]() You can put this solution on YOUR website! -3S^2-10S+8 YOU NEED TO FIND 2 FACTORS OF -3 & 2 FACTORS OF 8 THAT WHEN MULTIPLIED & THEN ADDED = -10. \n" ); document.write( "FACTORS OF -3 ARE (1,-3). FACTORS OF 8 ARE (1,8),(-1,-8),(2,4),(-2,-4). \n" ); document.write( "YOU CAN ELIMINATE THE 1&8 BECAUSE 8+3=11, 8-3=5. SO IT MUST BE THE (2,4) FACTORS. TRY 1*4+-3*2=4-6=-2 NOT A GOOD TRY. 1*2+(-3*4)=2-12=-10 LOOKS LIKE A WINNER. \n" ); document.write( "SO WE HAVE: \n" ); document.write( "(-3S+2)(S+4) \n" ); document.write( "PROOF \n" ); document.write( "-3S+2 \n" ); document.write( "S+4 WHEN MULTIPLIED \n" ); document.write( "------------------------------- \n" ); document.write( "-3S^2+2S-12S+8 COMBINING LIKE TERMS WE GET \n" ); document.write( "-3X^2-10S+8 \n" ); document.write( " |